Recently, I've been playing RU (and I always lose, why?!) and created this set when teambuilding:
Calm Nature
Ability: Own Tempo (prevents confusion)
EV: 196 Sp. Attack, 196 speed, 116 Attack
Item: Toxic Orb
Moves:
Petal Dance (sweep)
Facade (Toxic Orb)
Giga Drain/ Leech Seed (heal)
Quiver...